when mack babysits, he charges $8 an hour plus bus fare. The amount mack is paid depends on the number of hours he babysits.
1. If mack babysits for 1 hour and the bus fare is $2.50, how much will mack be paid?
2. If mack babysits for 4 hours and the bus fare is $2.50, how much will mack be paid?